Home / 13,313.03-19,963.78-7,071.68

Finding the Fourth Proportional to 13,313.03, 19,963.78 and 7,071.68

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Solution

The fourth proportional to 13,313.03, 19,963.78 and 7,071.68 is: 10,604.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,313.03 : 19,963.78 = 7,071.68 : x
  2. Step 2: Convert to fraction form
    13,313.03/19,963.78 = 7,071.68/x
  3. Step 3: Cross multiply
    13,313.03x = 19,963.78 × 7,071.68
  4. Step 4: Simplify right side
    13,313.03x = 141,177,463.75
  5. Step 5: Solve for x
    x = 141,177,463.75/13,313.03
  6. Step 6: Final answer
    x = 10,604.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.